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Published on May 12, 2009
A fuel pump relay's job is to take some of the voltage load off of the wiring harness to allow a better current flow from the battery to the fuel pump. Determine whether a fuel pump relay is bad and needs to be replaced with help from an auto mechanic in this free video on testing car performance.
Expert: J.B. Hebert Contact: www.wrxtra.com Bio: J.B. Hebert is a machinist, metal fabricator, and auto mechanic who has been fixing and modifying all things mechanical for over 20 years. Filmmaker: David Pakman